| 6. Round | 25/09/2004 | 1. FC Nürnberg | - | Arminia Bielefeld | 1:2 | ||||
| 2. Round | 28/09/2004 | Hannover 96 | - | Arminia Bielefeld | 0:1 | ||||
| 9. Round | 23/10/2004 | Arminia Bielefeld | - | Hertha BSC | 1:0 | ||||
| 11. Round | 31/10/2004 | 1. FC Kaiserslautern | - | Arminia Bielefeld | 2:1 | ||||
| 13. Round | 13/11/2004 | SC Freiburg | - | Arminia Bielefeld | 2:3 | ||||
| 14. Round | 20/11/2004 | Arminia Bielefeld | - | Werder Bremen | 2:1 | ||||
| 17. Round | 12/12/2004 | VfL Wolfsburg | - | Arminia Bielefeld | 5:0 | ||||
| 21. Round | 13/02/2005 | Arminia Bielefeld | - | Bayern München | 3:1 | ||||
| 23. Round | 26/02/2005 | Arminia Bielefeld | - | 1. FC Nürnberg | 3:1 | ||||
| 27. Round | 02/04/2005 | Arminia Bielefeld | - | Bayer Leverkusen | 1:0 | ||||
| 31. Round | 30/04/2005 | Werder Bremen | - | Arminia Bielefeld | 3:0 |
Germany